Home / 645,941.99-968,261.66-406,227.21

Finding the Fourth Proportional to 645,941.99, 968,261.66 and 406,227.21

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Solution

The fourth proportional to 645,941.99, 968,261.66 and 406,227.21 is: 608,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,941.99 : 968,261.66 = 406,227.21 : x
  2. Step 2: Convert to fraction form
    645,941.99/968,261.66 = 406,227.21/x
  3. Step 3: Cross multiply
    645,941.99x = 968,261.66 × 406,227.21
  4. Step 4: Simplify right side
    645,941.99x = 393,334,232,691.77
  5. Step 5: Solve for x
    x = 393,334,232,691.77/645,941.99
  6. Step 6: Final answer
    x = 608,931.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.